12920901

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2129}}^1$

素因数の和:2173

約数の個数: 24

約数和(自身を含む): 20925120

約数和(自身を除く): 8004219

約数列:

[1, 3, 7, 17, 21, 51, 119, 289, 357, 867, 2023, 2129, 6069, 6387, 14903, 36193, 44709, 108579, 253351, 615281, 760053, 1845843, 4306967, 12920901]

約数ペア:

[(1, 12920901), (3, 4306967), (7, 1845843), (17, 760053), (21, 615281), (51, 253351), (119, 108579), (289, 44709), (357, 36193), (867, 14903), (2023, 6387), (2129, 6069)]